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Finding the Fourth Proportional to 75,461.92, 113,020.32 and 36,046.72

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Solution

The fourth proportional to 75,461.92, 113,020.32 and 36,046.72 is: 53,987.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,461.92 : 113,020.32 = 36,046.72 : x
  2. Step 2: Convert to fraction form
    75,461.92/113,020.32 = 36,046.72/x
  3. Step 3: Cross multiply
    75,461.92x = 113,020.32 × 36,046.72
  4. Step 4: Simplify right side
    75,461.92x = 4,074,011,829.35
  5. Step 5: Solve for x
    x = 4,074,011,829.35/75,461.92
  6. Step 6: Final answer
    x = 53,987.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.